COVID-19 update: MMT and FLWO staff are mostly vaccinated and the telescopes are returning to normal operation, however Magellan remains limited to one telescope (Baade or Clay) operation. All of the observatories restrict outside visitors, which impacts PI instruments. The TAC encourages proposals for instruments that can be operated in service-observing, queue, or remote-observing modes, which is essentially every instrument except M2FS, PISCO, and MagAO.
6.5m MMT telescope, located on Mt Hopkins in Arizona. Approximately 26 dark + 15 grey + 26 bright nights are available per 6 month semester; summer shutdown impacts July and August.
6.5m Magellan telescopes, located on Las Campanas in Chile. Approximately 22 dark + 11 grey + 22 bright nights, evenly split between the two telescopes, are available per 6 month semester. Instruments are linked to a specific telescope.
Fred Lawrence Whipple Observatory (FLWO), located on Mt Hopkins in Arizona. The 1.2m telescope is dedicated to imaging; the 1.5m telescope is dedicated to spectroscopy. Approximately 72 dark + 36 grey + 72 bright nights are available on each telescope per 6 month semester, minus 30 nights in B semester due to August shutdown.
- MMT and FLWO instruments are mostly run in queue mode, as indicated below. For instruments run in a queue, PI's submit their targets before the trimester begins; observations are scheduled and obtained by observers at the telescope.
- Magellan instruments, with two exceptions, are not queue-scheduled. That said, a service observer is now available to CfA PIs; travel to Magellan is no longer required. The expectation is that the service observer will do the observing unless PIs choose otherwise.
|Optical||KeplerCam - CCD imager||YES||YES|
|Optical||FAST - moderate dispersion single-slit spectrograph||YES||YES|
|TRES - high dispersion single-fiber echelle spectrograph||YES||YES|
|Optical||Binospec - moderate dispersion multi-slit spectrograph and imager||YES||YES|
|Hectospec - moderate dispersion 300-fiber spectrograph||YES*||YES|
|Hectochelle - high dispersion 240-fiber echelle spectrograph||YES*||YES|
|Blue Channel - moderate dispersion single-slit spectrograph||YES||no|
|MMT Cam - small field-of-view imager||YES||YES|
|SPOL - imaging spectropolarimeter||Contact PI||no|
|Near-IR||MMIRS - multi-slit spectrograph and imager||YES||YES|
|ARIES - adaptive optics imager and spectrograph||no**||no|
|MMT-Pol - imaging polarimeter||no**||no|
* Hectospec/chelle are not scheduled in Dec-Jan because of a low-temperature operational limit.
** MMT Adaptive Optics System is offline for upgrades; it is not expected to be available for proposals until 2023.
|6.5m Magellan I = Baade||Available?||Queue?|
|Optical||IMACS - moderate dispersion multi-slit spectrograph and imager||YES||no|
|MagE - moderate dispersion single-slit echellette spectrograph||YES||no|
|Near-IR||FourStar - wide-field imager||YES||no|
|FIRE - high dispersion single-slit echelle spectrograph||YES||no|
|6.5m Magellan II = Clay|
|Optical||Megacam - wide-field imager||YES||no|
|LDSS-3 - moderate dispersion multi-slit spectrograph||YES||no|
|MIKE - high dispersion single-slit echelle spectrograph||YES||no|
|M2FS - fiber fed multi-object spectrograph (planning) (reductions)||Contact PI*||YES|
|PFS - high dispersion single-slit echelle spectrograph||Contact PI||YES|
|PISCO - parallel imager||no||no|
|Near-IR||MagAO - adaptive optics imager(s)||Contact PI||no|
* Travel restrictions currently prohibit M2FS runs.
[Updated May 11, 2021 by WRB.]